/*
 * @Description:作业5
 * 
 * @Author: rendc
 * 
 * @Date: 2025-07-17 14:43:00
 * 
 * @LastEditors: rendc
 * 
 * @LastEditTime: 2025-07-17 14:46:28
 */
public class Test05 {
  public static void main(String[] args) {
    // ⼩明有2元
    double total = 2;
    // 买东⻄花了1.1元，
    double consumption = 1.1;
    // 问找零多少
    double sum = total - consumption;
    System.out.println("sum:" + sum);
  }
}